9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
67.3%
11/03/2021
Critical
Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to obtain sensitive information, spoof user interface, bypass security restrictions, execute arbitrary code, cause denial of service.
Mozilla Thunderbird earlier than 91.3
Update to the latest version
Download Thunderbird
ACE
CVE-2021-385056.5High
CVE-2021-385064.3Warning
CVE-2021-385108.8Critical
CVE-2021-385048.8Critical
CVE-2021-385084.3Warning
CVE-2021-385076.5High
CVE-2021-385094.3Warning
CVE-2021-435358.8Critical
CVE-2021-435348.8Critical
CVE-2021-435299.8Critical
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38504
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38505
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38506
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38507
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38508
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38509
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38510
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43529
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43534
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43535
statistics.securelist.com/vulnerability-scan/month
threats.kaspersky.com/en/product/Mozilla-Thunderbird/
www.mozilla.org/en-US/security/advisories/mfsa2021-50/
www.mozilla.org/en-US/thunderbird/
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
67.3%